HP rebuffs ex-Autonomy CEO, warns of legal action — (Reuters) - Hewlett Packard Co rebuffed a request by former Autonomy Chief Executive Mike Lynch to detail accusations of accounting fraud leveled against the British software company and its former executives, and challenged Lynch to submit to questions under penalty of perjury.

Exclusive: Is Andrew Mason on the Bubble as CEO of Groupon? — According to sources close to the situation, several Groupon board members have been seriously discussing making major leadership changes at the Chicago-based daily deals company, including bringing in a more experienced CEO to take over for co-founder Andrew Mason.

Special Report: Silicon Valley's dirty secret - age bias — (Reuters) - When Randy Adams, 60, was looking for a chief-executive officer job in Silicon Valley last year, he got turned down from position after position that he thought he was going to nail — only to see much younger, less-experienced men win out.

How Google Plans to Find the UnGoogleable — The company wants to improve its mobile search services by automatically delivering information you wouldn't think to search for online. — Why It Matters — Google could extend its reach by finding ways to deliver information that people don't currently use a search engine to find.

On Cyber Monday, Mobile — Not Social — Takes All the Glory — On Cyber Monday, Etsy said it completed more sales than at any time in its seven-year history, driven by a number of factors. — One standout measurement was the number of visitors coming to the crafts marketplace from mobile devices …

Nokia Lumia 920 Review - High Quality But It's Heavy — Both Nokia and Microsoft were once titans in the smartphone world, but the pair have struggled to find favor with consumers, carriers and developers in the iPhone-Android era. Now, the two companies, which have become close partners …

HBO Sets Up Digital Shop in Seattle — Cable TV service Home Box Office is opening its first dedicated software-development office to work on mobile apps and other digital products. But HBO's new techie outpost isn't in Silicon Valley but instead in Seattle.